Update PyTorch/TorchVision and TorchAudio nightly pin

This fix a problem with TorchAudio beeing out of sync and causing c++ build problems.

Signed-off-by: Zingo Andersen <zingo.andersen@arm.com>
Change-Id: Ia283c652918d17ed7c40ec877def0a88091e5d7a

install_requirements.py

@@ -132,7 +132,7 @@ def python_is_compatible():
 # NOTE: If a newly-fetched version of the executorch repo changes the value of
 # NIGHTLY_VERSION, you should re-run this script to install the necessary
 # package versions.
-NIGHTLY_VERSION = "dev20241218"
+NIGHTLY_VERSION = "dev20250104"
 
 # The pip repository that hosts nightly torch packages.
 TORCH_NIGHTLY_URL = "https://download.pytorch.org/whl/nightly/cpu"